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Top-Rated Air conditioning pros in Lake Katrine - Updated Nov 2026

Avatar for Archibald Heating & Air Conditioning
Archibald Heating & Air Conditioning
3.8(
53
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral Air Cleaner - Install or Replace+2 more

Serving Lake Katrine, NY and surrounding areas

Approved

In business since 1938

Free estimates

Emergency services offered

"They did a great job removing my old oil furnace and installed a a new propane furnace and heat pump. They were on time, efficient and reasonably priced. I plan to use them for future work and would easily recommend Archibald Heating and Air Conditioning."
Energy Kinetics Boiler
Hybrid Heating System
Response time2 days
9 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for All Bases Covered Mechanical
All Bases Covered Mechanical
4.6(
37
)
Central A/C - InstallCentral A/C - Service or RepairCentral A/C - Service or Repair - For Business

Serving Lake Katrine, NY and surrounding areas

Approved

In business since 1995

Free estimates

Warranties offered

"We were experiencing major issues with our central a/c unit until we got All Bases involved. Frank and his team are professional, extremely knowledgeable, and honest. Prompt response and accurate billing are also things you can count on when working with All Bases Covered. I highly recommend contacting them if you are in need of a reliable and reputable HVAC expert."
Response time6 hrs
11 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for Grasshopper Heating & Cooling
Grasshopper Heating & Cooling
4.5(
126
)
Central A/C - InstallCentral A/C - Service or RepairCentral Air Cleaner - Repair or Service

Serving Lake Katrine, NY and surrounding areas

Approved

In business since 2005

Free estimates

Customers say: True professional

"Jared arrived and replaced bad circulator pump and added additional needed component that original installer did not do. He showed me what he did and what to monitor and bled all radiators of air and stayed until he was satisfied that everything was working as it should. He was amazing."
Photos
Photos
Photos
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Photos

+73

Response time1 day
14 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for JSP Home Services
JSP Home Services
4.0(
147
)
Central A/C - InstallDuctless Mini-split A/C - Install or ReplaceCentral Humidifier - Install or Replace+1 more

Serving Lake Katrine, NY and surrounding areas

Approved

In business since 2006

Free estimates

Customers say: Quick response

"JSP installed a central air conditioning system (actually replaced current system). They were fast, thorough, competent and professional. They answered all of our questions and were extremely neat and clean when working inside the house. I would definitely recommend them."
Wall Mount Shower
Custom Outdoor Shower
Finished Shower in Bathroom Renovation
Rough plumbing in a Renovation
High Efficiency Heating system with Indirect

+7

Response time6 days
201 neighbors recently requested a quote
Recommended by81%of homeowners
Avatar for JSP Plumbing & Heating, Inc.
JSP Plumbing & Heating, Inc.
3.8(
35
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+12 more

Serving Lake Katrine, NY and surrounding areas

Approved (Corporate)

In business since 2006

Free estimates

Emergency services offered

"JSP sent 4 men to replace furnace and A/C condenser. All of them were exceedingly courteous, explained what they were doing and overcame obstacles as they arose. The company was also flexible on pricing and has 18 month no-interest financing! Crew was on times d worked hard. True professionals that I wouldn’t hesitate to recommend"
Response time1 day
Response rate100%
11 neighbors recently requested a quote
Avatar for DYETT HVAC PRO CORP
DYETT HVAC PRO CORP
New to Angi
Window A/C Unit - Service or Relocate

Serving Lake Katrine, NY and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

At DYETT HVAC PRO CORP. we offer professional heating, ventilation, air conditioning and refrigeration services. We install, repair and perform maintenance on all types of equipment—from walk-in coolers, freezers, display cases and refrigerators to central units, mini-splits, rooftop units and all types of air conditioning systems, as well as any type of heating system, from oil boilers to the most modern high-efficiency models.\n\n

Avatar for SL Plumbing, Heating, Cooling
SL Plumbing, Heating, Cooling
5.0(
2
)
Central A/C - Service or RepairDuctless Mini-split A/C - Install or Replace

Serving Lake Katrine, NY and surrounding areas

Approved

In business since 2025

Free estimates

Welcome to SL Plumbing, Heating, Cooling! We are committed to exceeding your expectations. As experts, we will handle your needs with the high quality expertise, that your home or business deserves. We offer competitive prices, and customer satisfaction is our number one priority. Call us now! \n

Photos
Photos
3 neighbors recently requested a quote
Avatar for Accuair HVAC
Accuair HVAC
New to Angi
Central A/C - InstallDuctless Mini-split A/C - Install or ReplaceCentral A/C - Service or Repair

Serving Lake Katrine, NY and surrounding areas

Approved

Free estimates

Credit card accepted

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of General Contractor services that are customizable to each individual project. You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction! \n

A New Unit
13 neighbors recently requested a quote
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FAQs for air conditioning projects in Lake Katrine, NY

Most professional HVAC technicians require two to three hours to complete an expansion valve replacement. The timeframe depends on your unit's accessibility and whether additional repairs are needed. The process involves recovering refrigerant, removing the old valve, installing the new component, and recharging the system. Scheduling during less busy seasons may result in more convenient appointment times.

Operating your air conditioner with a malfunctioning expansion valve isn't advisable. Continuing to run the system could potentially damage other components, particularly your compressor, which is significantly more expensive to replace. If you notice performance issues like inconsistent cooling or unusual noises, it's best to have your system inspected before continuing regular use.

Expansion valves don't have a standard replacement schedule, as their longevity depends on system usage, maintenance frequency, and environmental factors. Regular professional maintenance helps identify potential valve issues before they cause system failure. Having your HVAC system serviced annually allows technicians to monitor component condition and recommend preventative replacements when necessary.

Refrigerant leaks require prompt professional attention. If your expansion valve is leaking, you'll likely notice reduced cooling performance and possibly hear hissing sounds near the unit. Addressing leaks quickly prevents further system inefficiency and avoids the environmental impact of released refrigerant. Your HVAC technician will need to repair the leak and recharge the system with the proper refrigerant type and amount.

Because many AC issues present similar symptoms, professional diagnosis is recommended. Problems like inadequate cooling, inconsistent temperatures, or strange noises could indicate expansion valve issues, but might also stem from refrigerant leaks, electrical problems, or airflow restrictions. A qualified HVAC technician has the tools and expertise to accurately identify the root cause and recommend appropriate repairs.

The Lake Katrine, NY homeowners’ guide to air conditioning services

From average costs to expert advice, get all the answers you need to get your job done.